Fix css selector maybe undefined when animating panel's content

surveyjs · Apr 2, 2024 · b6f772d · b6f772d
1 parent 4a4e876
commit b6f772d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/survey-element.ts b/src/survey-element.ts
@@ -1064,7 +1064,13 @@ export class SurveyElement<E = any> extends SurveyElementCore implements ISurvey
       },
       getAnimatedElement: () => {
         const cssClasses = this.isPanel ? this.cssClasses.panel : this.cssClasses;
-        return this.getWrapperElement()?.querySelector(classesToSelector(cssClasses.content));
+        if(cssClasses.content) {
+          const selector = classesToSelector(cssClasses.content);
+          if(selector) {
+            return this.getWrapperElement()?.querySelector(selector);
+          }
+        }
+        return undefined;
       },
       isAnimationEnabled: () => settings.animationEnabled && this.animationAllowed && !this.isDesignMode
     };